38387425 has 6 divisors (see below), whose sum is σ = 47600438. Its totient is φ = 30709920.

The previous prime is 38387413. The next prime is 38387431. The reversal of 38387425 is 52478383.

It can be written as a sum of positive squares in 3 ways, for example, as 2531281 + 35856144 = 1591^2 + 5988^2 .

It is not a de Polignac number, because 38387425 - 2¹³ = 38379233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 767724 + ... + 767773.

Almost surely, 2^38387425 is an apocalyptic number.

It is an amenable number.

38387425 is a deficient number, since it is larger than the sum of its proper divisors (9213013).

38387425 is a wasteful number, since it uses less digits than its factorization.

38387425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535507 (or 1535502 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 38387425 is about 6195.7586299016. The cubic root of 38387425 is about 337.3362351355.

The spelling of 38387425 in words is "thirty-eight million, three hundred eighty-seven thousand, four hundred twenty-five".